/Engine/Source/Developer/AnimationDataController/Public/AnimDataController.h
Scales the curve with provided identifier. Broadcasts a EAnimDataModelNotifyType::CurveScaled notify if successful.
Whether or not scaling the curve was successful
virtual bool ScaleCurve ( const [FAnimationCurveIdentifier](API\Runtime\Engine\Animation\AnimData\FAnimationCurveIdentifier) & CurveId, float Origin, float Factor, bool bShouldTransact )